Cook, Marcella
Current rating: 1380
Record: 1-8
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 134 | Thomas, Marvin (1469) | Lost 0-1 | -171411 |
| 2modern | 343 | Bomnskie, Dustin (1409) | Lost 0-2 | -181393 |
| 3modern | 343 | Hershberger, Kent (1449) | Lost 0-2 | -171376 |
| 4modern | 343 | Manthei, Jeremy (1508) | Lost 0-2 | -161360 |
| 5modern | 343 | Sasser, Owen (1427) | Won 2-0 | +201380 |
| average opponent: 1452record: 1-4 | new rating: 1380 | |||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 422 | Jones, Kyle (1530) | Lost 0-2 | -171483 |
| 2standard | 143 | Ward, John (1520) | Lost 0-2 | -181465 |
| 3standard | 143 | Herrera, Charles (1411) | Lost 0-2 | -191446 |
| 4standard | 143 | Butler, Stephen (1444) | Lost 0-2 | -181428 |
| average opponent: 1477record: 0-4 | new rating: 1428 | |||